Thumbnail tag now tolerant of missing files.
Thumbnail tag now tolerant of missing files.

jamesfoley/cms,lewiscollard/cms,etianen/cms,jamesfoley/cms,dan-gamble/cms,danielsamuels/cms,dan-gamble/cms,lewiscollard/cms,jamesfoley/cms,danielsamuels/cms,lewiscollard/cms,dan-gamble/cms,jamesfoley/cms,danielsamuels/cms,etianen/cms,etianen/cms